#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string>
#include <vector>

class Order
{
public:
	uint64_t    uid;
	std::string name;
public:
	Order():uid(0), name("")
	{}
};

int main()
{
	std::vector<Order> orders;
	//empty vector... core dump
	uint64_t uid = orders[0].uid;
	fprintf(stdout, ".%llu.\n", uid);
	return 0;
}


